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Documentation of enum VmaMemoryUsage: Added DirectX 12 equivalents.

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Adam Sawicki 2018-02-13 11:49:59 +01:00
parent 20e500e3d0
commit 1299c9ad79
1 changed files with 3 additions and 0 deletions
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src/vk_mem_alloc.h
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@ -953,6 +953,7 @@ typedef enum VmaMemoryUsage
/** Memory will be used on device only, so fast access from the device is preferred. /** Memory will be used on device only, so fast access from the device is preferred.
It usually means device-local GPU (video) memory. It usually means device-local GPU (video) memory.
No need to be mappable on host. No need to be mappable on host.
It is roughly equivalent of D3D12_HEAP_TYPE_DEFAULT.
Usage: Usage:
@ -971,6 +972,7 @@ typedef enum VmaMemoryUsage
Resources created in this pool are still accessible to the device, but access to them can be slower. Resources created in this pool are still accessible to the device, but access to them can be slower.
Guarantees to be `HOST_VISIBLE` and `HOST_COHERENT`. Guarantees to be `HOST_VISIBLE` and `HOST_COHERENT`.
CPU read may be uncached. CPU read may be uncached.
It is roughly equivalent of D3D12_HEAP_TYPE_UPLOAD.
Usage: Staging copy of resources used as transfer source. Usage: Staging copy of resources used as transfer source.
*/ */
@ -983,6 +985,7 @@ typedef enum VmaMemoryUsage
*/ */
VMA_MEMORY_USAGE_CPU_TO_GPU = 3, VMA_MEMORY_USAGE_CPU_TO_GPU = 3,
/** Memory mappable on host (guarantees to be `HOST_VISIBLE`) and cached. /** Memory mappable on host (guarantees to be `HOST_VISIBLE`) and cached.
It is roughly equivalent of D3D12_HEAP_TYPE_READBACK.
Usage: Usage: